#23 part C

2 Points: 0.33 of 1 Use the following results from a test for manjuana use, which is provided by a certain drug testing company. Among 140 subjects with positive test results, there are 21 false positive results. Among 158 negative results, there are 5 false negative results. Complete parts (a) through (c). (Hint: Construct a table.) a. How many subjects were included in the study? The total number of subjects in the study was 298 prre b. How many subjects did not use marijuana? A total of 174 subjects did not use marijuana. c. What is the probability that a randomly selected subject did not use marijuana? rces The probability that a randomly selected subject did not use marijuana is (Do not round until the final answer. Then round to three decimal places as needed.) ary